Solved by byeongkeunahn

#	Title	# Solved	Avg. Tries
8169	Fire Extinguishers	32	7.41
8166	Triangles	30	3.60
8161	Mafia	17	3.18
8159	BBB	17	3.65
8150	Driving Exam	23	3.39
8149	Weights	73	2.55
8146	Tetris Attack	50	2.50
8145	Megalopolis	87	2.66
8143	The Flood	23	1.74
8142	Ridges and Valleys	52	1.81
8141	Axes of Symmetry	21	2.86
8138	Tourist Attractions	31	5.97
8137	Sophie	18	7.94
8136	Palindromes	27	4.70
8133	Aesthetic Text	30	2.60
8131	Ploughing	137	4.32
8130	The Postman	19	12.95
8129	The Invasion	31	3.68
8128	Subway	45	6.42
8125	Professor Szu	39	5.82
7907	Bytean Road Race	70	2.26
7662	Dual Priority Queue	13,096	4.52
7626	Rectangles	656	4.09
7620	Edit distance	160	6.94
7453	4 Values whose Sum is 0	6,751	4.38
7439	Highways	33	1.94
7385	Minimax Triangulation	3	1.67
7287	Registration STANDARD	62,031	1.92
6987	월드컵	3,399	3.41
6559	Bound Found	3	8.67
6549	Largest Rectangle in a Histogram	11,083	3.63
6444	Spreadsheet	51	4.84
6293	Vim	19	3.26
6242	City Horizon	64	2.09
6209	River Hopscotch	763	2.42
6206	Milk Patterns	140	2.36
6181	Cow Neighborhoods	85	3.00
6171	Land Acquisition	604	3.17
6091	Reconstruction	466	1.72
6086	Total Flow	2,672	3.62
5820	경주	610	4.73
5542	JOI 국가의 행사	380	2.07
5498	Batch Scheduling	98	1.41
5467	Type Printer	117	2.00
5466	Salesman	239	3.69
5419	North-Western Winds	1,919	2.88
5386	Doubloon Game	322	1.83
5254	Balls	94	4.70
5250	Shortest paths	205	4.47
5044	Code Theft	37	8.38

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